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USB to TTL

USB to TTL or USB to Transistor-transistor logic is a device that supports RS-232, RS-422, and RS485 serial communication through its integrated circuit design. TTL connections vary from 3V to 5V signal operation in both input and output ranges. The voltage levels of TTL are designed to deviate substantially to cover both “high” and “low” values. The USB to TTL footprint is designed with a 6 wire header pin, a 5-pin connector or via terminal block for wired connections and DB-9 pinned ports.